:- Write a program to input marks of students
of 6 subjects & display avg. of best four
Solution:-
import
java.io.*;
public
class nine
{
public
static void main()throws IOException
{
BufferedReader d=new BufferedReader(new
InputStreamReader(System.in));
int sub[]=new int[6];
for(int i=0;i<6;i++)
{
System.out.println("Enter
value of array sub:- ");
sub[i]=Integer.parseInt(d.readLine());
}
int temp, tot=0;
for(int i=0;i<6;i++)
{
for(int j=0;j<6-i-1;j++)
{
if(sub[j]<sub[j+1])
{
temp=sub[j];
sub[j]=sub[j+1];
sub[j+1]=temp;
}
}
}
for(int i=0;i<4;i++)
{
tot=tot+sub[i];
}
System.out.println("Average of Best
Four Subject := " + (tot/4));
}
}
Output
Enter
Value of array sub:-
78
Enter
Value of array sub:-
67
Enter
Value of array sub:-
98
Enter
Value of array sub:-
87
Enter
Value of array sub:-
99
Enter
Value of array sub:-
100
Average
of Best Four Subject := 96
Variable
Description
Variable
|
Type
|
Purpose
|
sub[]
|
Integer
array
|
Storing
Six subject’s marks
|
tot
|
Integer
|
For
use of sum of best four subject
|
i
|
Integer
|
Counter
Varable
|
J
|
Integer
|
Counter
Varable
|
temp
|
Integer
|
For
use of swaping values
|
:- Write a program to merge array a &
array b in array c.
Solution:-
import
java.io.*;
public
class eleven
{
public
static void main()throws IOException
{
BufferedReader d=new BufferedReader(new
InputStreamReader(System.in));
int a[]=new int[5];
int b[]=new int[5];
int c[]=new int[10];
//Inputing values for array a and b
for(int i=0;i<5;i++)
{
System.out.println("Enter Value of
array a:-");
a[i]=Integer.parseInt(d.readLine());
}
for(int i=0;i<5;i++)
{
System.out.println("Enter Value of
array b:-");
b[i]=Integer.parseInt(d.readLine());
}
//Merging value in array c
int x=0;
for(int i=0;i<5;i++)
{
c[x]=a[i];
x++;
}
for(int i=0;i<5;i++)
{
c[x]=b[i];
x++;
}
System.out.println("Merged
Array");
for(int i=0;i<10;i++)
{
System.out.print(c[i]);
}
}
}
Output
Enter
Value of array a:-
2
Enter
Value of array a:-
3
Enter
Value of array a:-
4
Enter
Value of array a:-
5
Enter
Value of array a:-
6
Enter
Value of array b:-
7
Enter
Value of array b:-
3
Enter
Value of array b:-
2
Enter
Value of array b:-
3
Enter
Value of array b:-
4
Merged
Array
2345673234
Variable
Description
Variable
|
Type
|
Purpose
|
a[]
|
Integer
array
|
Storing
five elements in array
|
b[]
|
Integer
array
|
Storing
five elements in array
|
c[]
|
Integer
array
|
Storing
10 elements after merging array a and b
|
i
|
Integer
|
Counter
Variable
|
j
|
Integer
|
Counter
Variable
|
x
|
Integer
|
Counter
Variable
|
Write a program to find common elements of 2 array of integer
Solution:-
import
java.io.*;
public
class twele
{
public
static void main()throws IOException
{
BufferedReader d=new BufferedReader(new
InputStreamReader(System.in));
int a[]=new int[5];
int b[]=new int[5];
//Inputing values for array a and b
for(int i=0;i<5;i++)
{
System.out.println("Enter Value of
array a:-");
a[i]=Integer.parseInt(d.readLine());
}
for(int i=0;i<5;i++)
{
System.out.println("Enter Value of
array b:-");
b[i]=Integer.parseInt(d.readLine());
}
for(int i=0;i<5;i++)
{
for(int j=0;j<5;j++)
{
if(a[i]==b[j])
{
System.out.println("Common
Element is :- " + a[i]+"\t Array a : " +i+ "\t Array b :
"+j);
}
}
}
}
}
Output
Enter
Value of array a:-
2
Enter
Value of array a:-
3
Enter
Value of array a:-
4
Enter
Value of array a:-
5
Enter
Value of array a:-
6
Enter
Value of array b:-
4
Enter
Value of array b:-
3
Enter
Value of array b:-
5
Enter
Value of array b:-
1
Enter
Value of array b:-
6
Common
Element is :- 3 Array a : 1 Array b : 1
Common
Element is :- 4 Array a : 2 Array b : 0
Common
Element is :- 5 Array a : 3 Array b : 2
Common
Element is :- 6 Array a : 4 Array b : 4
Variable
Description
|
Variable
|
Type
|
Purpose
|
|
a[]
|
Integer
array
|
Storing
five elements in array
|
|
b[]
|
Integer
array
|
Storing
five elements in array
|
|
i
|
Integer
|
Counter
Variable
|
|
j
|
Integer
|
Counter
Variable
|
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